April 17, 2018
$$$$
Geocoded records of conflict (Salehyan et al. 2012).
A 0.5 degree spatio-temporal grid of data from 1990-2015 (Vicente-Serrano, Beguería, and López-Moreno 2010).
Population and travel time to urban area (Tollefsen, Strand, and Buhaug 2012).
Fraction of land as cropland and pasture (Ramankutty et al. 2008).
“Rights to Resources”, 11 questions about the legal framework in a country (World Resources Institute 2014).
| Variable | Mean | Std. Dev. | Min. | Max. |
|---|---|---|---|---|
| Days with riots | 0.01301 | 0.58386 | 0 | 187 |
| Riot occurred | 0.00072 | 0.0268 | 0 | 1 |
| Riot onset | 0.00069 | 0.02626 | 0 | 1 |
| Number of riots | 0.00079 | 0.03213 | 0 | 13 |
| SPEI | -0.10487 | 0.98712 | -8.01478 | 7.45265 |
| Cropland | 0.08097 | 0.14526 | 0 | 1 |
| Population | 83641.73736 | 214877.62255 | 0 | 8339141 |
\[\begin{aligned} y_{it} = & \alpha + \beta \; \mbox{SPEI}_{it} + \beta_w \; (\mbox{SPEI} \times W_c) + \beta_m \; (\mbox{SPEI} \times M_c) + \\ & \gamma_{i} + \delta_{t} + \rho_{rm} + \phi_{cy} + \varepsilon_{it} \end{aligned}\]
Almer, Christian, Jérémy Laurent-Lucchetti, and Manuel Oechslin. 2017. “Water Scarcity and Rioting: Disaggregated Evidence from Sub-Saharan Africa.” Journal of Environmental Economics and Management 86. Elsevier BV:193–209. https://doi.org/10.1016/j.jeem.2017.06.002.
Butler, Christopher K, and Scott Gates. 2012. “African Range Wars: Climate, Conflict, and Property Rights.” Journal of Peace Research 49 (1). SAGE Publications:23–34. https://doi.org/10.1177/0022343311426166.
Ramankutty, Navin, Amato T. Evan, Chad Monfreda, and Jonathan A. Foley. 2008. “Farming the Planet: 1. Geographic Distribution of Global Agricultural Lands in the Year 2000.” Global Biogeochemical Cycles 22 (1). American Geophysical Union (AGU):n/a–n/a. https://doi.org/10.1029/2007gb002952.
Salehyan, Idean, Cullen S. Hendrix, Jesse Hamner, Christina Case, Christopher Linebarger, Emily Stull, and Jennifer Williams. 2012. “Social Conflict in Africa: A New Database.” International Interactions 38 (4). Informa UK Limited:503–11. https://doi.org/10.1080/03050629.2012.697426.
Tollefsen, Andreas Forø, Håvard Strand, and Halvard Buhaug. 2012. “Prio-Grid: A Unified Spatial Data Structure.” Journal of Peace Research 49 (2). SAGE Publications:363–74. https://doi.org/10.1177/0022343311431287.
Vicente-Serrano, Sergio M., Santiago Beguería, and Juan I. López-Moreno. 2010. “A Multiscalar Drought Index Sensitive to Global Warming: The Standardized Precipitation Evapotranspiration Index.” Journal of Climate 23 (7). American Meteorological Society:1696–1718. https://doi.org/10.1175/2009jcli2909.1.
World Resources Institute. 2014. “Rights to Resources: The Status of Local Natural Resource Rights in National Laws in Sub-Saharan Africa.” Washington, DC: World Resources Institute. http://datasets.wri.org/dataset/rights-to-resources-map.